---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5509 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 8.5G 11G 45% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 469 4341 0 3165 7210 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:b6:af:16 brd ff:ff:ff:ff:ff:ff inet 10.32.7.154/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:feb6:af16/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5509) 07/11/26 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 143.36 54.86 88.50 3608.07 41241.68 08:15:01 84.36 30.16 54.19 1669.95 9536.82 08:16:01 93.22 9.28 83.94 643.23 39315.71 08:17:01 33.76 1.35 32.41 101.58 4347.01 Average: 88.69 23.89 64.81 1505.02 23669.18 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 5932872 7406720 2234548 27.36 39996 1611080 705284 7.65 607852 1458744 122336 08:15:01 5573688 7345364 2593732 31.76 58772 1873892 782240 8.49 691872 1699824 152968 08:16:01 4131484 6986144 4035936 49.42 65300 2931484 1023760 11.11 1092916 2702356 34996 08:17:01 4468924 7403464 3698496 45.28 69184 3005952 668504 7.25 702120 2753664 25404 Average: 5026742 7285423 3140678 38.45 58313 2355602 794947 8.63 773690 2153647 83926 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:14:02 ens3 420.25 238.79 1469.16 65.40 0.00 0.00 0.00 0.00 08:15:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 08:15:01 ens3 92.29 78.19 576.78 17.77 0.00 0.00 0.00 0.00 08:16:01 lo 1.28 1.28 0.18 0.18 0.00 0.00 0.00 0.00 08:16:01 ens3 889.04 685.95 16862.98 88.39 0.00 0.00 0.00 0.00 08:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 08:17:01 ens3 116.48 127.15 592.85 30.03 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 380.71 283.38 4893.43 50.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5509) 07/11/26 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 23.11 0.00 2.20 4.18 1.09 69.43 08:14:02 0 36.05 0.00 2.25 4.05 1.35 56.30 08:14:02 1 8.93 0.00 1.18 5.70 0.71 83.49 08:14:02 2 39.32 0.00 3.70 3.17 1.55 52.26 08:14:02 3 8.25 0.00 1.70 3.78 0.75 85.52 08:15:01 all 25.04 0.00 1.38 1.82 1.12 70.64 08:15:01 0 26.08 0.00 1.15 1.08 1.25 70.44 08:15:01 1 8.24 0.00 0.86 4.38 0.69 85.81 08:15:01 2 32.11 0.00 1.74 1.25 1.27 63.62 08:15:01 3 33.76 0.00 1.75 0.56 1.24 62.69 08:16:01 all 42.66 0.00 2.61 1.84 2.43 50.46 08:16:01 0 47.82 0.00 3.25 1.66 2.22 45.04 08:16:01 1 44.30 0.00 2.16 1.67 2.12 49.74 08:16:01 2 40.94 0.00 1.75 3.41 2.32 51.58 08:16:01 3 37.52 0.00 3.28 0.60 3.07 55.53 08:17:01 all 22.07 0.00 1.33 0.68 0.75 75.17 08:17:01 0 60.27 0.00 2.12 0.13 1.52 35.96 08:17:01 1 8.85 0.00 1.10 1.52 0.42 88.11 08:17:01 2 6.14 0.00 0.83 1.07 0.37 91.59 08:17:01 3 13.04 0.00 1.28 0.03 0.70 84.94 Average: all 28.24 0.00 1.88 2.13 1.35 66.40 Average: 0 42.61 0.00 2.20 1.73 1.59 51.87 Average: 1 17.64 0.00 1.33 3.32 0.99 76.73 Average: 2 29.61 0.00 2.01 2.23 1.38 64.78 Average: 3 23.09 0.00 2.00 1.25 1.44 72.22